Merging multiple WinHelp Projects together is a lot easier than in HtmlHelp and does not have the same bugs that HtmlHelp v1.4 has. But before you go and dissect your carefully crafted 500 page project into multiple projects please take a few moments to run through this tutorial so that you understand the concept completely first.
In this scenario we have a holiday company who want to showcase their specialized holiday destinations which are categorized as "Cheap and Cheerful" and "Ghastly Expensive". They want most of their clients to see the "Cheap and Cheerful" destinations but only some of their clients will want to see both and some will want to only see the "Ghastly Expensive" options. So they create two projects as follows:-
Merge the Two!
Now let's go back to the Master Project and add in our Slave Project: